{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2020-1820",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-1820",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2024-12-28T06:11:17.446Z",
    "updatedAt": "2024-12-31T17:17:05.860Z",
    "importedAt": "2026-10-24T01:56:17.081Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Service (COPS) protocol of some Huawei products. The specific decoding function may occur out-of-bounds read when processes an incoming data packet. Successful exploit of these vulnerabilities may disrupt service on the affected device. (Vulnerability ID: HWPSIRT-2018-12275,HWPSIRT-2018-12276,HWPSIRT-2018-12277,HWPSIRT-2018-12278,HWPSIRT-2018-12279,HWPSIRT-2018-12280 and HWPSIRT-2018-12289)\n\nThe seven vulnerabilities have been assigned seven Common Vulnerabilities and Exposures (CVE) IDs: CVE-2020-1818, CVE-2020-1819, CVE-2020-1820, CVE-2020-1821, CVE-2020-1822, CVE-2020-1823 and CVE-2020-1824.",
      "affected": [
        {
          "vendor": "Huawei",
          "product": "IPS Module",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R001C60",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "NGFW Module",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R002C00",
              "status": "affected"
            },
            {
              "version": "V500R002C20",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "NIP6300",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R001C60",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "NIP6600",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R001C60",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "NIP6800",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C60",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "Secospace USG6300",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R001C60",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "Secospace USG6500",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R001C60",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "Secospace USG6600",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "USG6000V",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "V500R003C00",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}